fine-tuned; fine-tuning; fine-tunes            
        
    1
                    
        a
    
          
                                          
              
          
                                                      : to adjust precisely so as to bring to the highest level of performance or effectiveness                                      
              
                             
fine-tune a TV set
                                       fine-tune the format
                         
                
                    
        b
    
          
                                          
              
          
                                                      : to improve through minor alteration or revision                                      
              
                             
fine-tune the temperature of the room
                         
                
                    2
                    
                                          
              
          
                                                      : to stabilize (an economy) by small-scale fiscal and monetary manipulations                                      
                
                    
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  Merriam-Webster unabridged




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